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18121 Konovalenko (2000 NF25)
Classification: Outer Main-belt Asteroid          SPK-ID: 2018121
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2457400.5 (2016-Jan-13.0) TDB
Reference: JPL 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2330392940217211 7.6716e-08  
a 3.225322560336054 3.8112e-08 au
q 2.47369566788301 2.4954e-07 au
i .9836484944538566 5.8967e-06 deg
node 44.71887175184808 0.00049782 deg
peri 310.5705024635005 0.00049794 deg
M 202.6515926095896 1.6765e-05 deg
tp 2458325.236519854088
(2018-Jul-25.73651985)
0.0001108 JED
period 2115.719838977922
5.79
3.7501e-05
1.027e-07
d
yr
n .1701548538552777 3.016e-09 deg/d
Q 3.976949452789098 4.6994e-08 au
  Orbit Determination Parameters
   # obs. used (total)      712  
   data-arc span      8019 days (21.95 yr)  
   first obs. used      1993-04-26  
   last obs. used      2015-04-10  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .55904  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Jun-04 16:30:51  

Additional Information
 Earth MOID = 1.46739 au 
 Jupiter MOID = 1.45998 au 
 T_jup = 3.144 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 14.1 mag n/a MPO337411  

18121 Konovalenko           Discovered 2000 July 4 by the Lowell Observatory Near-Earth Object Search at the Anderson Mesa Station.
Alexandr A. Konovalenko (b. 1951) is an academician at the Ukrainian National Academy of Sciences and a well-known radioastronomer. He is active in astrophysics and instrumentation using the largest decameter radio telescope (UTR-2). The name was suggested by D. F. Lupishko.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20060219/MPCPages.arcLast Updated: 2010-06-03

[ show close-approach data ]
Alternate Designations
 2000 NF25 = 1994 NV8 = 1995 VO7 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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